Elmo Visual Presenter HV-5100XG - Manual (Page 38)

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37
Data Format Specifications
This command is executed in the form of 1-command/1 packet. The next command is not
accepted until the previous processing is completed.
• The communication command always starts with STX (Start of Text) , and ends with ETX
(End of Text) .
• If the communication format or command name is wrong, NAK (Negative
Acknowledgement) will be sent from this product as a result of failing to receive correctly.
• When the communication format is correctly received, this product sends ACK (Normal
Acknowledgement).
■ Transmission Command (PC → Visual Presenter)
Each operation command is executed in ASCII code, and transmitted in a set of 7 bytes as
follows:
■ Response data format (Visual Presenter → PC)
All response data is transmitted as ASCII code, and it coverds parameter of the table of
operation command.
• Status 0
• Status 2
S
T
X
E
T
X
Command (PC)
(Visual Presenter) → ACK
Data Parameter
S
T
X
P osi /
N ega
C olor
/ B&W
P ointer
display
E lectronic
enlargement
L ocal
lock o ut
E
T
X
RGB
output
selection
L ighting
selection
P ause
γ
adjustment
32H
Video
output
selection
S
T
X
Image
rotation
Aperture White
balance
Contrast
30H
(Normal)
31H
(Adjustment)
E
T
X